CN103270366A - Board assemblies, light emitting device assemblies, and methods of making the same - Google Patents

Board assemblies, light emitting device assemblies, and methods of making the same Download PDF

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Publication number
CN103270366A
CN103270366A CN2011800551831A CN201180055183A CN103270366A CN 103270366 A CN103270366 A CN 103270366A CN 2011800551831 A CN2011800551831 A CN 2011800551831A CN 201180055183 A CN201180055183 A CN 201180055183A CN 103270366 A CN103270366 A CN 103270366A
Authority
CN
China
Prior art keywords
keeper
radiator
plate
shank
locking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011800551831A
Other languages
Chinese (zh)
Inventor
P·洛佩斯
M·莱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wolfspeed Inc
Original Assignee
Cree Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cree Inc filed Critical Cree Inc
Publication of CN103270366A publication Critical patent/CN103270366A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10106—Light emitting diode [LED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
    • H05K3/0061—Laminating printed circuit boards onto other substrates, e.g. metallic substrates onto a metallic substrate, e.g. a heat sink
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7005—Lugged member, rotary engagement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7005—Lugged member, rotary engagement
    • Y10T403/7007—Bayonet joint

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Board assemblies, light emitting device assemblies and related methods are provided. An assembly can include a board comprising a face surface, a rear surface opposite the face surface and side edges around a periphery of the board. The assembly can also include a heat sink for dissipating heat from the board. The assembly can also include a retainer configured to secure the board to the heat sink. One or more light-emitting diode packages can be secured to the board for creating a light-emitting device assembly.

Description

Board component, light emitting device assembly and the method for making them
The cross reference of related application
The application requires in the U.S. Patent application No.12/947 of submission on November 16th, 2010,267 rights and interests, and its disclosure is incorporated into way of reference by integral body.
Technical field
This theme relates generally to for the board component that plate is attached to radiator.More specifically, this theme relates to and can be used in different application, comprises light emitting device assembly, in the printed circuit board (PCB) for example of comprising be attached to the assembly of the device of radiator.
Background technology
Printed circuit board (PCB) is generally used for being used in many application operation or operation electronic installation.Because function circuit and operate them and need energy on these printed circuit board (PCB)s, these printed circuit board (PCB)s may produce a large amount of heat usually.In order to improve operability, printed circuit board (PCB) is attached to usually can be convenient to heat away from device or the substrate of printed circuit board (PCB) dissipation.By heat extraction, printed circuit board (PCB) can be operated under lower temperature.By operating under lower temperature, the parts of printed circuit board (PCB) can easier mode with their expections be exercised their function.In some instances, lower operating temperature can allow to use littler parts at printed circuit board (PCB), thereby allows printed circuit board (PCB) to provide with littler size.
Be attached to device or the substrate of printed circuit board (PCB), hereinafter be called radiator or radiator structure, common directly or indirectly contact print circuit board, and heat inhaled from printed circuit board (PCB).Radiator can be made by Heat Conduction Material, absorbs heat or heat conduction away from printed circuit board (PCB) with easier.In addition, the size and dimension of radiator can improve heat from the dissipation of printed circuit board (PCB).
When being tending towards producing than printed circuit board (PCB) oneself, printed circuit board (PCB) more manys the luminaire of heat when for example using in the light emitting diode device, the plate of radiator and electricity, and printed circuit board (PCB) for example, it may be particularly advantageous being used in combination.The different embodiments of lumination of light emitting diode equipment all can obtain on market, have covered the application of broad range.Wherein can use these different luminous application of light emitting diode to comprise home lighting, billboard and display illumination, automobile and bicycle light-emitting device, emergency lighting, railway traffic illumination, and floodlight and flash lamp purposes.Light emitting diode is less than incandescent lamp bulb and utilization energy still less.In addition, the life-span of light emitting diode is longer than standard incandescent bulb.Therefore, in illumination is used, use light emitting diode can obtain suitable energy and save, increase the life-span of lamp, reduce the size of lamp, and design flexibility is stronger.For this reason, lighting apparatus manufacturer to may to the client produce attraction introducing unique lighting apparatus of light emitting diode more and more interested.When coming for light emitting diode device, for proper operation and the illumination of improvement is provided, caloric requirement is from light emitting diode dissipation.
As mentioned above, direct or indirect contact good between radiator and the printed circuit board (PCB) wishes, to improve heat from printed circuit board (PCB), particularly comprises those of light emitting diode, the efficient of dissipation.Typically, printed circuit board (PCB) is fixed to radiator by screw or similar device.Screw has the trend of unclamping or dropping, and this makes the exposure level of printed circuit board (PCB) and radiator reduce.This causes reducing to the heat transmission of radiator.In addition, depend on that screw is screwed into the power in the radiator, the bending of printed circuit board (PCB) may also reduce the contact between printed circuit board (PCB) and the radiator.For example, if one or more fastened too tight in the screw, the clamping force at the pressure spot place of screw contact print circuit board can cause printed circuit board (PCB) to be bent upwards.
In addition, when using screw that printed circuit board (PCB) is fixed to radiator, remove printed circuit board (PCB) and it be attached to radiator again that still the ability of optimum structured thermal transfer is lower usually after attached again simultaneously from radiator.In case screw is threaded in the radiator, if screw is removed and inserted again in the same keeper, the friction fixing between screw and the radiator is weakened usually so.This may be tending towards causing screw to come loose or dropping.
Can improve heat dissipation though radiator is used in combination with printed circuit board (PCB), it may be very important that excellent contact is provided between printed circuit board (PCB) and radiator.Good clamping force can be improved the contact between them between radiator and the printed circuit board (PCB).In addition, the ability that printed circuit board (PCB) is attached to radiator fast in mode repeatably be wish to improve relevant manufacturing.In addition, remove and again attached printed circuit board (PCB) between printed circuit board (PCB) and radiator, provide the ability of good clamping force to wish simultaneously.
Summary of the invention
According to the disclosure, provide a kind of board component, light emitting device assembly and their manufacture method that plate is attached to radiator.For example, a kind of one or more keepers that are used for plate is attached to radiator that can be used in the luminescence component are provided.Therefore, purpose of the present disclosure provides and a kind of plate is attached to board component and/or the light emitting device assembly of radiator, and it can provide good clamping force and contact between plate and radiator.
By theme described herein, realized of the present disclosure above-mentioned and other purpose obviously from present disclosure at least on the whole or partly.
Description of drawings
More specifically, in the remainder of this specification, comprise with reference to the accompanying drawings set forth to comprise it being the content that the complete sum of this theme of best mode can be implemented to those skilled in the art, wherein:
Fig. 1 illustrates the birds-eye perspective according to the embodiment of the printed circuit-board assembly of this theme;
Fig. 2 illustrates the face upwarding view according to the embodiment of the printed circuit-board assembly of Fig. 1;
Fig. 3 illustrates the exploded view according to the embodiment of the printed circuit-board assembly of Fig. 1;
Fig. 4 A and 4B illustrate for the perspective view according to the embodiment of the top keeper of the printed circuit-board assembly of this theme;
Fig. 5 A and 5B illustrate for the perspective view according to the embodiment of the locking keeper of the printed circuit-board assembly of this theme;
Fig. 5 C, 5D and 5E illustrate according to the part of the embodiment of the locking keeper of Fig. 5 A and 5B and the interactional side view of a part according to the shank of the embodiment of the keeper of this theme;
Fig. 6 A illustrates the exploded view according to the embodiment of the light emitting device assembly of this theme;
Fig. 6 B illustrates the face upwarding view that can be used for according to the embodiment of the keeper in the light emitting device assembly of this theme;
Fig. 7 illustrates along the sectional view according to the length of another embodiment of the light emitting device assembly of this theme;
Fig. 8 illustrates the perspective view of an embodiment again according to the light emitting device assembly of this theme;
Fig. 9 illustrates along the cross-sectional view according to the length of the embodiment of the light emitting device assembly of Fig. 8; And
Figure 10 illustrates along the exploded view according to the length of the embodiment of the light emitting device assembly of Fig. 8.
The specific embodiment
Now will be in detail with reference to the possible embodiment of this theme, its one or more examples are shown in the drawings.Each example is provided only to be not meant to for explaining theme and limits.In fact, thus illustrated and the feature that is described as the part of an embodiment can be used for production additional embodiments among another embodiment.Therefore main body open and imagination is intended to contain these modifications and variation here.
As in each figure, illustrating, be schematic purpose, the structure of some sizes or part have been amplified with respect to other structure or part, so they are provided only for illustrating general configuration of the present invention.In addition, the various aspects of this theme are formed at other structure, part or the structure on both by reference or part is described.Known as those skilled in that art, a structure be formed at another structure or part " on " or the statement of " top " refer to that other structure, part or the two may interfere.Here a structure or part are formed at another structure or part " on " and do not interfere and be described as " directly being formed on this structure or the part " with this structure or part.
In addition, relative terms for example " on " or " top " here be used in reference to as shown in FIG. structure or the position relation of part and another structure or part.Should be understood that relative terms for example " on " or " top " comprise different directed the orientation of in figure, illustrating.For example, if the device among the figure is reversed, be described as the structure of other structure or part " top " or " below " that part will be oriented described structure or part now so.Equally, if the device among the figure is rotated along axis, be described as the structure of other structure or part " top " or " next door " or " left side " that part will be directed to described other structure or part now so.Identical in the whole text reference marker is represented components identical.
Fig. 1-3 illustrates the plate of generally being represented by mark 10.Board component 10 can comprise plate 12 and radiator 14.Board component 10 can comprise one or more keeper equipment.For example and not limit, board component 10 can be arranged to the keeper that plate 12 is fastened to radiator 14 in can being included on the one hand.For example, thus keeper can be configured to be fastened to radiator 14 is fastened to radiator 14 with plate 12.Keeper can also be arranged at least a portion of admitting plate 12, and keeper comprises that at least one shank and radiator 14 are arranged at least a portion of the shank of admitting keeper simultaneously, so that plate 12 is fastened to radiator 14.According to the disclosure herein content, keeper can any suitable structure configuration.In one aspect, keeper can be configured to comprise and can be used as clip or be used for to keep or the part of attached any other suitable structure.
For example, in the embodiment shown in Fig. 1-3, board component 10 comprises top keeper 20 and locking keeper 30.Board component 10 can allow to be attached to or to be secured to radiator 14 in the situation lower plate 12 of not using screw or bonding agent.Yet in certain embodiments, the heat conduction bonding agent can be used between plate 12 and the radiator 14.
Plate 12 can comprise, for example, and printed circuit board (PCB).Plate 12 can comprise front surface 12A and the rear surface 12B opposite with front surface 12A.Plate 12 can also have round the lateral edges 12C of the peripheral 12D of plate 12.The Any shape that plate 12 can have expection or wish.For example, plate 12 can have square cross-sectional shape in stead, the shape of cross section of rectangle, circular shape of cross section, oval-shaped shape of cross section or similar.In an illustrated embodiment, plate 12 has circular shape of cross section.Plate 12 can have any suitable width, length, thickness or diameter, and it can have thickness across the variation of its length or width according to the final use of plate 12.As shown in fig. 1, printed circuit board (PCB) 12 can have mark 12E, is used for identification and how snaps to it on the radiator 14 and/or it is alignd with the electronic installation that uses it therein.
Fig. 1,3 and 4A-4B illustrated the example of top keeper 20 and its usage.The top keeper 20 of printed circuit-board assembly 10 can comprise the body 22 that is arranged to round the peripheral 12D installation of plate 12.Body 22 can form opening 28, when top keeper 20 be attached to plate 12 and radiator 14 the two the time plate 12 can occupy described opening at least in part.Opening 28 can make the front surface 12A of plate 12 touch easily.Top keeper 20 can comprise one or more shanks 24 that can stretch out from body 22 downwards.In the embodiment shown in Fig. 1-3, top keeper 20 comprises three shanks 24 opening round the peripheral equi-spaced apart of body 22.The length of shank 24 can be according to the thickness of the thickness of printed circuit board (PCB) 12 and radiator 14 and difference.In certain embodiments, each shank 24 can comprise the 24A of foot.How to use according to each 24A of foot, each foot can extend internally towards the center of top keeper 20 or stretch out from the center of top keeper 20.
Top keeper 20 can also comprise one or more lips 26, and it extends internally from body 22 in the opening 28 of plate 12.When assembled components 10, when top keeper 20 correctly is attached to the plate 12 of printed circuit-board assembly 10 and radiator 14 on the two the time, lip 26 may extend at least a portion top of the lateral edges 12C of plate 12.For example, top keeper 20 can comprise a plurality of lips 26 that equi-spaced apart is each other opened, and each lip 26 can extend to plate 12 tops when top keeper 20 is fastened to radiator 14 with plate 12.
Top keeper 20 can be made by any material that is suitable for printed circuit board (PCB) 12 is fastened to radiator 14.For example, top keeper 20 can be made by plastics, metal, metal alloy or similar material.For example, in certain embodiments, top keeper 20 can comprise steel.Allow the top keepers very firm as the steel of construction material as top keeper 20, harder and have a slim profile (low profile) on pliability.For example, when top keeper 20 was steel, described one or more lips 26 can be very thin.When being used for light-emitting device, the thickness of lip and slim profile help to reduce any interference of light between top keeper and the light emitting diode.Steel allows this slim profile.
Radiator 14 can be made by any suitable material of heat conduction.For example, radiator 14 can be metal substrate.In certain embodiments, radiator 14 can be heat-conducting plastic.The Any shape that radiator 14 can have expection or wish.For example, radiator 14 can have square cross-sectional shape in stead, the shape of cross section of rectangle, and circular shape of cross section, or similar.In the embodiment shown, radiator 14 has circular shape of cross section.
Radiator 14 can have one or more holes 16, and one or more shanks 24 of top keeper 20 can pass its extension.In the embodiment shown in Fig. 1-3, have three holes 16 corresponding with three shanks 24 of top keeper 20.Radiator 14 can also comprise plate 12 can be held against top surface 18.When making the front surface 12A of plate 12 deviate from shank 24 in printed circuit board (PCB) 12 is placed in the opening 28 of top keeper 20, the body 22 of top keeper 20 cooperates front surface 12A and the lateral edges 12C of lip 26 adjacent plates 12 round the peripheral 12D of plate 12.In this position, the shank 24 of top keeper 20 can be inserted through the hole 16 in the radiator 14, makes plate 12 can be retained as contact against the top surface 18 of radiator 14.Alternatively, printed circuit board (PCB) 12 can place the tram on the radiator 14, and top keeper 20 can be inserted in the radiator 14 that surrounds plate 12 then, thereby effectively holding plate 12 contacts are against the top surface 18 of radiator 14.
Install though top keeper 20 can be configured to and be used to abut against radiator 14 or any other suitable respective outer side edges, can use locking keeper 30 in one aspect.For top keeper 20 is held in place, guarantee the suitable contact between plate 12 and the radiator 14, locking keeper 30 can be used for the shank 24 of engage top keeper 20, as Fig. 2,3 and 5A-5B shown in.Locking keeper 30 can comprise one or more locking receiving portions 32, is used for admitting the respective leg portions 24 of top keeper 20.Locking receiving portion 32 can be extended from the body 30A of locking keeper 30.Particularly, receiver 32 can extend radially outwardly from body 30A.Each locking receiving portion 32 of locking keeper 30 can comprise one or more shank connected structures, for example locks rear heel 34A and stop lug 34B.For example, locking rear heel 34A and stop lug 34B can stretch out from the body 30A of locking keeper 30.Locking rear heel 34A and stop lug 34B can be used for locking keeper 30 is fastened to the shank 24 of top keeper 20.For example, each shank 24 of top keeper 20 can comprise as mentioned above can locked keeper 30 locking rear heel 34A and the 24A of foot that engages of one of stop lug 34B.As mentioned above, according to the usage of each 24A of foot, each 24a of foot can have different structures.For example, each 24A of foot can extend internally towards the center of top keeper 20 or stretch out away from the center of top keeper 20.
As mentioned above and shown in Fig. 5 A-5E, but each locking receiving portion 32 can be included in the locking rear heel 34A of direction C corresponding shank 24 of engage top keeper 20 when going up twist-lock keeper 30.Equally, the direction opposite with direction C namely oppositely on during twist-lock keeper 30 locking rear heel 34A can break away from combinations from the corresponding shank 24 of top keeper 20.Should be understood that the location of locking rear heel 34A and stop lug 34B and be aligned in can be reverse on the locking keeper 30, and the direction that therefore is used for engaging with top keeper 20 and breaks away from combination also can be reversed.
Locking rear heel 34A can be made into the inclined-plane, thereby locks each 24A of foot that rear heel 34A promotes each shank 24 more rigidly when locking keeper 30 is rotated.By this way, locking keeper 30 can increase the clamping force of top keeper 20.When measuring to the second end 34A2 opposite with the first end 34A1 with the first end 34A1 of the locking rear heel 34A of corresponding shank 24 initial engagement, each locking rear heel 34A can be in the tilted angle downwards.For example, locking rear heel 34A can tilt with angle [alpha] to the second end 34A2 from the first end 34A1.By this way, top keeper 20, after placing round plate 12 and its shank 24 pass the hole 16 of radiator 14, can be spurred against plate 12 and radiator 14, thereby remained on more tightly on the radiator 14 by locking rear heel 34A when locking keeper 30 plate 12 when direction C rotates.This be since when the 24A(of foot of locking keeper 30 corresponding shank 24 of top keeper 20 when direction C rotates shown in dotted line among Fig. 5 E) pulled down along the first end 34A1 that locks rear heel 34A and the sloping edge 34A3 between the second end 34A2.Angle [alpha] can be to allow to increase any angle that the maintenance that presses closer portion's keeper 20 does not damage top keeper 20 simultaneously.
As mentioned above and shown in Fig. 5 A-5E, each locking receiving portion 32 can also comprise stop lug 34B, described stop lug 34B can stop the corresponding shank 24 of top keeper 20 when twist-lock keeper 30 on direction C, prevents from locking keeper 30 and excessively rotates.Each stop lug 34B can comprise adjacency section 35, after the shank 24 that locking keeper 30 has turned to top keeper 20 is engaged fully, the 24A of foot and/or shank 24 can in abutting connection with or against the adjacency section 35, shown in Fig. 5 E.Adjacency section 35 can extend radially outwardly from the end 34B1 of stop lug 34B away from the body 30A of locking keeper 30.In such an embodiment, adjacency section 35 can be extended below the second end 34A2 of locking rear heel 34A, aligns with the 24A of foot of shank 24 when having turned to complete engage top keeper 20 when locking keeper 30, as partly illustrating in Fig. 5 E.
Locking keeper 30 can also comprise for the receiving tool slit 36 of screwdriver for example, is used for making locking keeper 30 at as shown in Figure 2 rotation direction A(or the direction C shown in Fig. 5 D) go up and turn to bonding station from unengaged position.Locking keeper 30 can rotate in the opposite direction, so that locking keeper 30 is locked into unengaged position from the bonding station solution.Locking keeper 30 can comprise also that opposing retreats feature, and for example lock flange 38, is used for helping to lock keeper 30 and is held in place.In the embodiment shown in Fig. 5 A and the 5B, lock flange 38 can comprise the protuberance 38A of inclination, and its slit (not shown) that engages in the radiator 14 is held in place will lock keeper 30.Imagination lock flange 38 can have and much the same other structure of the structure shown in Fig. 5 A and the 5B.
Therefore, in aforesaid mode, plate 12 can be placed in the top keeper 20.Top keeper 20 can be placed on the radiator 14, and wherein one or more shanks 24 extend through radiator 14, and locking keeper 30 is securable to one or more shanks 24 of top keeper 20.By this way, because the length of each shank 24 determines that based on the thickness of printed circuit board (PCB) 12 and radiator 14 the rear surface 12B of plate 12 can firmly and tightly be kept contacting with the top surface 18 of radiator 14.By the top surface 18 that abuts against radiator 14 uniformity across the rear surface 12B contact of plate 12 is provided, can realize from printed circuit board (PCB) 12 more even and more effective heat radiations.
In order to prevent in the dismounting of top keeper 20 and plate 12 and the shank 24 of stretching top keeper 20 when reconnecting, the shank 24 of top keeper 20 can not contact the hole 16 that the mode of the inwall 16A of the radiator 14 that forms hole 16 passes in the radiator 14 and install.This has strengthened the reusability of same top keeper 20 and radiator 14 and plate 12.
In certain embodiments, do not need to lock keeper as previously described.In such an embodiment, the top keeper may extend in the radiator and in the inboard of radiator or the described radiator of outer side engagement of radiator, so that keeper is secured to radiator.For example, the shank of top keeper can be flexible in nature, and can clamp or otherwise fastening or be fixed to position on the radiator.On each shank that for example foot can be arranged on the breach that can clamp or otherwise be attached to radiator or breach is interior.In such an embodiment, the top keeper can be rotated latched position and maybe can be pulled to latched position.
Fig. 6 A and 6B illustrate the light emitting device assembly with mark 50 expression, and it can be used to provide light on being secured to some luminaire the time.Light emitting device assembly 50 can comprise the plate 52 with front surface 52A and rear surface 52B opposite with front surface 52A.Plate 52 can also comprise around the lateral edges 52C of the peripheral 52D of plate 52.Plate 52 can comprise the LED package 60 that is located thereon in addition.Plate 52 can have electrical contact 53, for being electrically connected with power supply LED package 60 is powered, below with more detailed description.Light emitting device assembly 50 can also comprise for dissipation from the radiator 54 of the heat of plate 52 with for the keeper 70 that plate 52 is fixed to radiator 54.
Keeper 70 can have the peripheral 52D that is arranged to around plate 52 and cooperate the body of installing 72.Body 72 can be formed for admitting the opening 78 of plate 52 therein.Contact 73 may extend in the opening 78 to provide and being electrically connected of the electrical contact 53 of plate 52.One or more shanks 74 can extend downwards from the body 72 of keeper 70.Keeper 70 can also comprise when plate 52 is inserted in the keeper 70 lip 76 that can extend above at least a portion of the lateral edges 52C of plate 52.As mentioned above, plate 52 can comprise printed circuit board (PCB).
Light emitting device assembly 50 also comprises radiator 54, and keeper 70 can help plate 52 is remained in radiator 54 so that heat radiation.Radiator 54 can have the top surface 18 that printed circuit board (PCB) 52 can be mounted thereon.Radiator 54 can also have hole 56, and the shank 74 of keeper 70 can pass its extension.Radiator 54 can be configured to allow outside wing portion 80 to connect round the peripheral 54A of radiator 54, to strengthen the heat transmission from plate 52.Periphery 54A can comprise that wing portion 80 can insert the slit 54B in it.Wing portion 80 can be spaced apart to strengthen heat transmission.
As mentioned above, plate 52 can be placed in the keeper 70 so that body 72 cooperates around at least a portion of the peripheral 52D that is installed in plate 52.In addition, the lip 76 at least a portion top that can be positioned at lateral edges 52C is with holding plate 52 securely.Keeper 70 can be placed on the radiator 54, and shank 74 extends through the hole 56 of radiator 54 so that plate 52 is fastened to radiator 54.
Light emitting device assembly 50 can also comprise ball cover 82, and it can be the form that helps to scatter the diffusion of light device dome of LED package emission.In addition, light emitting device assembly 50 can comprise for the driver 90 that drives printed circuit board (PCB) 52.The body 72 of keeper 70 can comprise the 72A of plastic shaping portion around main keeper structure 72B, can comprise shank 74.For example, main keeper structure 72B can comprise for example aluminium of metal, aluminium alloy, steel, or metalloid.The 72A of plastic shaping portion can be round main keeper structure 72B and contact 73 moulding.By this way, main keeper structure 72B can with contact 73 electric insulations.
The 72A of plastic shaping portion of body 72 can also comprise for the retaining ring 72C that ball cover 82 is remained to keeper 70 and light emitting device assembly 50.For example, ball cover 82 can have lip 84.Thereby the retaining ring 72C of body 72 can keep lip 84 that ball cover 82 is held in place.For example, lip 84 can cooperate the part below that is installed in retaining ring 72C, so that ball cover 82 is remained to keeper 70.By this way, keeper 70 can be used as the two holding device of plate 52 and ball cover 82.
Driver 90 can comprise for the driver contact 92 to plate 52 and LED package 60 power supplies.Each contact 73 can be configured to has driver contact surface 73A and plate contact surface 73B.Radiator 54 can also limit contact hole 54C, and when keeper 70 was placed in the position of plate 52 tops, driver contact surface 73A can pass described contact hole 54C extension and pass radiator 54.When keeper 70 is placed in plate 52 tops and is locked into place, the driver contact surface 73A of contact 73 can provide and being electrically connected of the driver contact 92 of driver 90, and the plate contact surface 73B of contact 73 can provide and being electrically connected of the electrical contact 53 of plate 52.By this way, electric power can be fed into plate 52 and LED package 60, in the embodiment shown in Fig. 6 A and 6B.
As mentioned above, plate 52 can have Any shape.For example, plate 52 can have circle, square, rectangle or oval-shaped shape of cross section.The shape of plate 52 is designed to satisfy the requirement of light emitting device assembly.In the embodiment shown in Fig. 6 A, for example, the shape of cross section of plate 52 is square.
Keeper 70 can comprise a plurality of lips 76 that equi-spaced apart is each other opened, and each lip 76 can extend above plate 52 when top keeper 70 is fastened to radiator 54 with plate 52.
In certain embodiments, do not need to lock keeper.In such an embodiment, the top keeper may extend in the radiator and in the inboard of radiator or the described radiator of outer side engagement of radiator, so that keeper is secured to radiator.For example, the shank of top keeper can be flexible in nature, and can clamp or otherwise attached and be fixed to position on the radiator.On each shank that for example foot can be arranged on the breach that can be attached to radiator or breach is interior, for example by clamping.In such an embodiment, the top keeper can be rotated latched position and maybe can be pulled to latched position.
Alternatively, in the embodiment shown in Fig. 6 A, the hole 56 that the shank 74 of top keeper 70 can pass in the radiator 54 is installed, and does not contact the inwall of the radiator 54 that forms hole.In such an embodiment, locking keeper 100 can be used to top keeper 70 is fastened to radiator 54.Locking keeper 100 can comprise one or more receivers 102, is respectively applied to admit one or more shanks 74 of keeper 70.The shank 74 of top keeper 70 can comprise can be locked the 74A of foot that engages of keeper 100.For example, one or more receivers 102 of locking keeper 100 can comprise the shank connected structure of flange 104A and 104B form, are used for locking the shank 74 that keeper 100 is fastened to top keeper 70.
Each comprised locking rear heel 104A in described one or more receiver 102 further is pressed in radiator 54 with plate 52 thereby be used for engaging corresponding shank 74 so that top keeper 70 is firmly remained to radiator 54.In described one or more receiver 102 each can also comprise stop lug 104B, described stop lug 104B can stop the corresponding shank 74 of top keeper 70 when twist-lock keeper 100 on direction C, prevents from locking keeper 100 and excessively rotates.Usually, stop lug 104B can be positioned at the position that locking rear heel 104A remains in corresponding shank 74 its tightest point.Locking rear heel and the similar mode of stop lug that locking rear heel 104A and stop lug 104B can as above describe about Fig. 5 A-5E dispose.Yet other structure also is conceived to.
Locking keeper 100 can also comprise for the receiving tool slit 106 of screwdriver for example, is used for making locking keeper 100 to turn to bonding station from unengaged position.The slit 106 of locking keeper 100 also is used for locking keeper 100 and is locked into unengaged position from the bonding station solution.Locking keeper 100 can comprise also that opposing retreats feature, and for example lock flange 108.
The LED package 60 that can be placed on the plate 52 can have top surface and basal surface (not shown).Diode can be placed on the top surface of LED package 60 and the electrical contact that is used for being electrically connected to plate 52 can be positioned at the basal surface of LED package 60.Electrical contact 53 on the plate 52 can be to LED package 60 power supplies.A plurality of LED package can be provided as placing on the plate 52 and be electrically connected to electrical contact on the plate 52.
Different light emitting device assembly embodiment can have many different shape and size.Fig. 7 illustrates another embodiment of the light emitting device assembly 110 that is similar to aforesaid light emitting device assembly 50.Light emitting device assembly 110 can comprise light source 112, and it can comprise LED package and printed circuit board (PCB), and radiator structure 114, and it can comprise can be integrated into radiator 114 or the attached 114A of wing portion thereon removably.Light emitting device assembly 110 can also comprise keeper 116, and it can be used for light source 112 as mentioned above, and printed circuit board (PCB) especially, connects and remains to radiator structure 114.As mentioned above, keeper 116 can be attached by different way.For example, keeper 116 is jointing radiating structure 114 lockably, or the extensible radiator structure 114 that passes of the shank on the keeper 116, lock the keeper (not shown) simultaneously and engage keeper 116 keeper 116 and light source 112 are kept and be fixed to radiator structure 114.
Light emitting device assembly 110 can also comprise the optics cavity 120 that is arranged in radiator structure 114.Light source 112 can be installed to the top surface of the platform 114B that is arranged in optics cavity 120 of radiator structure 114.Light emitting device assembly 110 can be included in the diffusing globe dome 130 that optics cavity 120 tops are installed to radiator structure 114 in addition.For example, diffusing globe dome 130 can center on the part installation of the 114A of wing portion of radiator structure 114.
Diffusing globe dome 130 can be made by suitable material, but in the present embodiment, diffusing globe dome 130 can be oval-shaped or egg-shape so that different light emission patterns to be provided.Diffusing globe dome 130 can be installed in 120 tops, chamber and can comprise diffusion or scattering particles.Scattering particles can be provided in to form in the curable joint portion of general dome shape.In addition, or alternatively, diffusing structure also can be provided as the part of diffusing globe dome.In certain embodiments, diffusing structure can be provided to replace scattering particles.Different joint portion materials can be used, silicone for example, epoxy resin, glass, unorganic glass, dielectric, BCB, polyimides (polymides), polymer and composition thereof.In certain embodiments, white scattering particles can use with the dome with white colour.This gives the outward appearance of dome 130 whites, and this more visually can accept or attractive than fluorescence color is common.For example, diffusing globe dome 130 can comprise white titan oxide particles, and it can make diffusing globe dome 130 present whole white appearance.
Diffusing globe dome 130 can provide with more omnidirectional and/or more uniform pattern distribution from the radiative other advantage of optics cavity.From the light of the light source in the optics cavity can be roughly forward or the emission of lambert's pattern, and the shape of diffusing globe dome 130 with the scattering properties of scattering particles/structure, makes light launch with more omnidirectional emission pattern from diffusing globe dome 130.Designed dome can have the scattering particles/structure that has different optically focused degree in zones of different, maybe can be shaped as special emission pattern.In certain embodiments, dome can be designed to make the direction distribution law (omnidirectional distribution criteria) that meets USDOE (DOE) Energy Star definition from the emission pattern of lamp.In certain embodiments, light emitting device assembly can comprise the A type substituted type LED bulb that satisfies Ministry of Energy (DOE) Energy Star requirement.A requirement of this standard that light emitting device assembly 110 satisfies be from 0 to 135 ° see the past tense emission uniformity must average 20% in, and from the total flux of light emitting device assembly〉5% must in 135-180 ° emission awl, launch, measurement is 0,45, and carry out at 90 ° azimuth.Light emitting device assembly 110 can be efficiently, reliably and cost economy.
Light emitting device assembly 110 can comprise be used to the installing mechanism that is installed in the type in traditional electrical socket.In the embodiment shown, light emitting device assembly 110 can comprise be used to the threaded section 132 that is installed to Edison's screw receptacle.Alternatively, light emitting device assembly 110 can comprise standard plug, and electrical socket can be standard socket, bayonet mount, pin cap, for example GU24 lamp holder unit (base unit), but perhaps light emitting device assembly clip, and electrical socket can be the socket (for example, as using in a lot of fluorescent lamps) of admitting and keep clip.
Fig. 8 to 10 illustrates another embodiment according to the light emitting device assembly 140 of this theme, and it can be similar to the light emitting device assembly 110 shown in Fig. 7.Light emitting device assembly 140 can comprise light source 142 and radiator structure 144, and light source 142 can comprise LED package and printed circuit board (PCB), and radiator structure can comprise can be integrated into radiator 144 or the attached 144A of wing portion thereon removably.Light emitting device assembly 140 can also comprise keeper 146, and it can be used for light source 142 as described above, and printed circuit board (PCB) especially, connects and remains to radiator structure 144.As mentioned above, but keeper 146 jointing radiating structures 144 so that light source 142 is remained to radiator 144.Alternatively, the extensible radiator 144 that passes of the part of keeper 146, and locking keeper (not shown) can engage keeper 146 so that keeper 146 and light source 142 are remained to radiator structure 144.
Light emitting device assembly 140 can also comprise the optics cavity 150 that is arranged in radiator structure 144.Light source 142 can be installed to the top surface of the platform 144B that is arranged in optics cavity 150 of radiator structure 144.Light emitting device assembly 140 can comprise diffusing globe dome 160 and threaded section 162 in addition.Diffusing globe dome 160 in the present embodiment, is made into smooth so that the emission pattern of expection to be provided at the top.
Light emitting device assembly 140 can comprise the intermediate layer 148 between light source 142 and the radiator structure 144.In certain embodiments, intermediate layer 148 can be electric insulation so that radiator structure 144 isolate with light source 142 electricity.Electrical connection to the top surface of light source can be established.
Shown in the accompanying drawing and in the above the embodiment of the present disclosure that describes is the example of numerous embodiment that can make in the scope of appended claims.The structure of imagination light emitting device assembly and the method for making them can comprise the many configurations except specifically disclosed here.

Claims (43)

1. board component comprises:
Plate;
Radiator is used for dissipation from the heat of described plate; And
Keeper, it is arranged to described plate is fixed to described radiator.
2. assembly according to claim 1, wherein, described keeper is configured to be fixed to radiator, so that described plate is fixed to described radiator.
3. assembly according to claim 1, wherein, described keeper is arranged at least a portion of admitting described plate, and described keeper comprises at least one shank, described radiator is arranged at least a portion of the shank of admitting described keeper, so that described plate is fixed to described radiator.
4. assembly according to claim 3, wherein, described keeper comprises that the body of body and described keeper comprises a plurality of lips that equi-spaced apart is each other opened, and each lip can extend above described plate when described keeper is fixed to described radiator with described plate.
5. assembly according to claim 4, wherein, the body of described keeper is arranged to cooperate around the part of described plate and installs.
6. assembly according to claim 3, wherein, described radiator has makes described at least one shank can pass the corresponding hole of its extension.
7. assembly according to claim 6, wherein, at least one shank of described keeper passes hole in the described radiator and cooperates and install, and does not contact the inwall of the described radiator that forms described hole.
8. assembly according to claim 3 also comprises the locking keeper, and described locking keeper comprises the locking receiving portion at least one shank of admitting described keeper.
9. assembly according to claim 8, wherein, at least one shank of described keeper comprises the foot that can be engaged by described locking keeper.
10. assembly according to claim 8, wherein, the locking receiving portion of described locking keeper is included in the locking rear heel that engages at least one shank of described keeper when rotating described locking keeper, and the stop lug that is used for preventing described locking keeper inordinate rotation.
11. a board component comprises:
Plate, it comprises front surface, the rear surface opposite with described front surface, and the lateral edges that centers on the periphery of described plate;
The top keeper, it comprises being arranged to around the periphery of described plate and cooperates the body of installing, at least one shank that extends downwards from described body, and the lip that can extend above at least a portion of the lateral edges of described plate;
Radiator, the shank that has described top keeper therein can pass the hole of its extension;
Second keeper, it comprises the receiver for the shank of admitting described top keeper; And
Described top keeper secures to described radiator with described plate, and the shank of wherein said top keeper extends through the shank that described radiator and described locking keeper can be fixed to described top keeper.
12. assembly according to claim 11, wherein, the shape of cross section that described plate one of has in circle, rectangle or the ellipse at least.
13. assembly according to claim 11, wherein, described plate comprises printed circuit board (PCB).
14. assembly according to claim 11, wherein, the lip of described top keeper comprises a plurality of lips that equi-spaced apart is each other opened, and each lip can extend above described plate when described top keeper is fixed to described radiator with described plate.
15. assembly according to claim 11, wherein, the hole that at least one shank of described top keeper passes in the described radiator cooperate to be installed, and can be on the inwall of the radiator that forms described hole crooked described shank.
16. assembly according to claim 11, wherein, the shank of described top keeper comprises the foot that can be engaged by described locking keeper.
17. assembly according to claim 11, wherein, the locking receiving portion of described locking keeper is included in the locking rear heel that engages the shank of described top keeper when rotating described locking keeper, and the stop lug that is used for preventing described locking keeper inordinate rotation.
18. assembly according to claim 17, wherein, described locking keeper comprises slit, and described slit is used for the admittance instrument so that described locking keeper is turned to bonding station and turns to unengaged position from bonding station from unengaged position.
19. assembly according to claim 11, wherein, described locking keeper comprises that opposing retreats feature.
20. a light emitting device assembly comprises:
Plate, it comprises front surface, the rear surface opposite with described front surface and around the lateral edges of the periphery of described plate, described plate comprises for the electrical contact that is electrically connected and light-emitting device encapsulation;
Radiator is used for dissipation from the heat of described plate; And
Keeper, it is arranged to described plate is fixed to described radiator.
21. assembly according to claim 20, wherein, the shape of cross section that described plate one of has in circle, rectangle or the ellipse at least.
22. assembly according to claim 20, wherein, described plate comprises printed circuit board (PCB).
23. assembly according to claim 20, wherein, described keeper is configured to be fixed to radiator, so that described plate is fixed to described radiator.
24. assembly according to claim 20, wherein, described keeper is arranged at least a portion of admitting described plate, and described keeper comprises at least one shank, described radiator is arranged at least a portion of the shank of admitting described keeper, so that described plate is fixed to described radiator.
25. assembly according to claim 24, wherein, described keeper comprises that the body of body and described keeper comprises a plurality of lips that equi-spaced apart is each other opened, and each lip can extend above described plate when described keeper is fixed to described radiator with described plate.
26. assembly according to claim 25, wherein, the body of described keeper is arranged to around the periphery of described plate and cooperates installation.
27. assembly according to claim 24, wherein, described radiating appliance has described at least one shank can pass the corresponding hole of its extension.
28. assembly according to claim 24, wherein, the hole that at least one shank of described keeper passes in the described radiator cooperate to be installed, and can be on the inwall of the radiator that forms described hole crooked described shank.
29. assembly according to claim 24 also comprises the locking keeper, described locking keeper comprises the locking receiving portion for the shank of admitting described keeper.
30. assembly according to claim 29, wherein, the shank of described keeper comprises the foot that can be engaged by described locking keeper.
31. assembly according to claim 29, wherein, the locking receiving portion of described locking keeper comprises for the shank connected structure that described locking keeper is fixed to each shank of described keeper.
32. assembly according to claim 29, wherein, the locking receiving portion of described locking keeper is included in the locking rear heel that engages the shank of described keeper when rotating described locking keeper, and the stop lug that is used for preventing described locking keeper inordinate rotation.
33. assembly according to claim 29, wherein, described locking keeper comprises slit, and described slit is used for the admittance instrument so that described locking keeper is turned to bonding station and turns to unengaged position from bonding station from unengaged position.
34. assembly according to claim 29, wherein, described locking keeper comprises that opposing retreats feature.
35. lamp assembly according to claim 20 comprises being fixed to described keeper to cover the ball cover of described LED package.
36. lamp assembly according to claim 20 comprises a plurality of LED package that are positioned on the described plate and are electrically connected to described plate.
37. lamp assembly according to claim 36 comprises being fixed to described keeper to cover the ball cover of described a plurality of LED package.
38. a method of making printed circuit-board assembly, described method comprises:
Plate is provided;
Be provided for dissipation from the radiator of the heat of described plate; And
With keeper described plate is fixed to described radiator.
39. according to the described method of claim 38, wherein, described keeper comprises that at least one shank and described radiator have hole therein.
40. according to the described method of claim 39, also comprise round described plate and place described keeper and the shank of described keeper is received in the hole of described radiator so that described plate is fixed to described radiator.
41. according to the described method of claim 40, also comprise the locking keeper is provided, described locking keeper comprises receiver, be used for when placing described keeper round described plate, admitting the shank of top keeper and making described locking keeper be fixed to the shank of described top keeper, wherein, the shank of described keeper extends in the described radiator so that described plate is fixed to described radiator.
42. according to the described method of claim 41, also comprise and rotate described locking keeper described locking keeper is fixed to the shank of described keeper.
43. according to the described method of claim 40, also comprise the light-emitting device encapsulation is provided, and described LED package be fixed to described plate, to make described light emitting device assembly.
CN2011800551831A 2010-11-16 2011-10-03 Board assemblies, light emitting device assemblies, and methods of making the same Pending CN103270366A (en)

Applications Claiming Priority (3)

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US12/947,267 US8602597B2 (en) 2010-11-16 2010-11-16 Heat sink retaining structure for light emitting device board assemblies, and methods
US12947267 2010-11-16
PCT/US2011/054553 WO2012067723A2 (en) 2010-11-16 2011-10-03 Board assemblies, light emitting device assemblies, and methods of making the same

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EP (1) EP2641016A4 (en)
KR (1) KR20130079643A (en)
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US20120120659A1 (en) 2012-05-17
WO2012067723A3 (en) 2012-07-12
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KR20130079643A (en) 2013-07-10
WO2012067723A2 (en) 2012-05-24
US8602597B2 (en) 2013-12-10
EP2641016A2 (en) 2013-09-25

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Application publication date: 20130828